20860938

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9739}}^1$

素因数の和:9771

約数の個数: 48

約数和(自身を含む): 54699840

約数和(自身を除く): 33838902

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 102, 119, 126, 153, 238, 306, 357, 714, 1071, 2142, 9739, 19478, 29217, 58434, 68173, 87651, 136346, 165563, 175302, 204519, 331126, 409038, 496689, 613557, 993378, 1158941, 1227114, 1490067, 2317882, 2980134, 3476823, 6953646, 10430469, 20860938]

約数ペア:

[(1, 20860938), (2, 10430469), (3, 6953646), (6, 3476823), (7, 2980134), (9, 2317882), (14, 1490067), (17, 1227114), (18, 1158941), (21, 993378), (34, 613557), (42, 496689), (51, 409038), (63, 331126), (102, 204519), (119, 175302), (126, 165563), (153, 136346), (238, 87651), (306, 68173), (357, 58434), (714, 29217), (1071, 19478), (2142, 9739)]